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  <h1>jCarousel</h1>
  <h2>Riding carousels with jQuery</h2>
  <p><strong>Author:</strong> <a href="http://sorgalla.com">Jan Sorgalla</a><br />
    <strong>Version:</strong> 0.2.3 (<a href="changelog.html">Changelog</a>)<br />
    <strong>Download:</strong> <a href="http://sorgalla.com/projects/download.php?jcarousel">jcarousel.tar.gz</a> or <a href="http://sorgalla.com/projects/download-zip.php?jcarousel">jcarousel.zip</a><br />
    <strong>Licence:</strong> Dual licensed under the <a href="http://www.opensource.org/licenses/mit-license.php">MIT</a>
    and <a href="http://www.opensource.org/licenses/gpl-license.php">GPL</a> licenses.</p>

  <a name="Contents"></a>
  <h3>Contents</h3>
    <ol>
    <li><a href="#Introduction">Introduction</a></li>
    <li><a href="#Examples">Examples</a></li>
    <li><a href="#Getting-Started">Getting started</a></li>
    <li><a href="#Dynamic-Content-Loading">Dynamic content loading</a></li>
    <li><a href="#Configuration">Configuration</a></li>
    <li><a href="#Compatibility">Compatibility</a></li>
    <li><a href="#Credits">Credits</a></li>
  </ol>

  <a name="Introduction"></a>
  <h3>Introduction</h3>
  <p>jCarousel is a <a href="http://jquery.com">jQuery</a> plugin for controlling
    a list of items in horizontal or vertical order. The items, which can be static
    HTML content or loaded with (or without) AJAX, can be scrolled back and forth
    (with or without animation).</p>

  <a name="Examples"></a>
    <h3>Examples</h3>
  <p>The following examples illustrate the possibilities of jCarousel:</p>
  <noscript>
  <p style="color:red">You need JavaScript enabled to see the carousel</p>
  </noscript>
  <ul>
    <li><strong>Static Examples</strong>
      <ul>
        <li><a href="examples/static_simple.html">Simple carousel</a></li>
        <li><a href="examples/static_vertical.html">Vertical carousel</a> </li>
        <li><a href="examples/static_auto.html">Carousel with autoscrolling</a></li>
        <li><a href="examples/static_callbacks.html">Carousel illustrating the
          callback functions</a></li>
        <li><a href="examples/static_controls.html">Carousel with external controls</a></li>
        <li><a href="examples/static_start.html">Carousel with custom start position</a></li>
        <li><a href="examples/static_multiple.html">Multiple carousels on one page</a></li>
      </ul>
    </li>
    <li><strong>Dynamic Examples</strong>
      <ul>
        <li><a href="examples/dynamic_javascript.html">Carousel with dynamic content
          loading via JavaScript</a></li>
        <li><a href="examples/dynamic_ajax.html">Carousel with dynamic content
          loading via Ajax</a></li>
        <li><a href="examples/dynamic_ajax_php.html">Carousel with dynamic content
          loading via Ajax from a PHP script</a></li>
        <li><a href="examples/dynamic_flickr_feed.html">Carousel with dynamic
          content loading via Ajax from the Flickr photo stream</a></li>
        <li><a href="examples/dynamic_flickr_api.html">Carousel with dynamic content
          loading via Ajax from the Flickr API</a></li>
      </ul>
    </li>
    <li><strong>Special Examples</strong>
      <ul>
        <li><a href="examples/special_circular.html">Circular carousel</a></li>
        <li><a href="examples/special_textscroller.html">Using jCarousel as a
          Textscroller</a></li>
        <li><a href="examples/special_flexible.html">Flexible carousel</a></li>
        <li><a href="examples/special_thickbox.html">jCarousel and Thickbox 3</a></li>
        <li><a href="examples/special_easing.html">Carousel with custom animation
          effect</a></li>
      </ul>
    </li>
  </ul>

  <a name="Getting-Started"></a>
  <h3>Getting started</h3>
  <p>To use the jCarousel component, include the <a href="http://jquery.com">jQuery</a>
    library, the jCarousel source file, the jCarousel core stylesheet file and
      a jCarousel skin stylesheet file inside the <code>&lt;head&gt;</code> tag
    of your HTML document:</p>
  <pre>
&lt;script type=&quot;text/javascript&quot; src=&quot;/path/to/jquery-1.2.1.pack.js&quot;&gt;&lt;/script&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;/path/to/lib/jquery.jcarousel.pack.js&quot;&gt;&lt;/script&gt;
&lt;link rel=&quot;stylesheet&quot; type=&quot;text/css&quot; href=&quot;/path/to/lib/jquery.jcarousel.css&quot; /&gt;
&lt;link rel=&quot;stylesheet&quot; type=&quot;text/css&quot; href=&quot;/path/to/skin/skin.css&quot; /&gt;
</pre>
  <p>The download package contains some example skin packages. Feel free to build your own skins based on it.</p>
	<p>jCarousel expects a very basic HTML markup structure inside your HTML document:</p>
  <pre>
&lt;ul id=&quot;mycarousel&quot; class=&quot;jcarousel-skin-<em>name</em>&quot;&gt
   &lt;!-- The content goes in here --&gt;
&lt;/ul&gt;
</pre>
  <p>jCarousel automatically wraps the required HTML markup around the list. The
    class attribute applies the jCarousel skin <em>&quot;name&quot;</em> to the
    carousel.</p>
    <p> To setup jCarousel, add the following code inside the <code>&lt;head&gt;</code>
    tag of your HTML document:</p>
    <pre>
&lt;script type=&quot;text/javascript&quot;&gt;
jQuery(document).ready(function() {
    jQuery('#mycarousel').jcarousel({
        // Configuration goes here
    });
});
&lt;/script&gt;
</pre>
    <p> jCarousel accepts a lot of configuration options, see chapter "<a href="#Configuration">Configuration</a>"
    for further informations.</p>
    <p>After jCarousel has been initialised, the fully created markup in
    the DOM is:</p>
    <pre>
&lt;div class=&quot;jcarousel-skin-<em>name</em>&quot;&gt;
  &lt;div class=&quot;jcarousel-container&quot;&gt;
    &lt;div disabled=&quot;disabled&quot; class=&quot;jcarousel-prev jcarousel-prev-disabled&quot;&gt;&lt;/div&gt;
    &lt;div class=&quot;jcarousel-next&quot;&gt;&lt;/div&gt;
    &lt;div class=&quot;jcarousel-clip&quot;&gt;
      &lt;ul class=&quot;jcarousel-list&quot;&gt;
        &lt;li class=&quot;jcarousel-item-1&quot;&gt;First item&lt;/li&gt;
        &lt;li class=&quot;jcarousel-item-2&quot;&gt;Second item&lt;/li&gt;
      &lt;/ul&gt;
    &lt;/div&gt;
  &lt;/div&gt;
&lt;/div&gt;
</pre>

  <p>As you can see, there are some elements added which have assigned classes
    (in addition to the classes you may have already assigned manually). Feel
    free to design your carousel with the classes you can see above.</p>
    <h4>Note:</h4>
  <ul>
    <li>The skin class &quot;jcarousel-skin-<em>name&quot;</em> has been moved
      from the <code>&lt;ul&gt;</code> to the top <code>&lt;div&gt;</code> element.</li>
    <li>The&nbsp;first nested <code>&lt;div&gt;</code> under <code>&lt;div class=&quot;jcarousel-container&quot;&gt;</code>
        illustrates a disabled button, the second an enabled one. The disabled
        button has
        the
        attribute
      <code>disabled</code> (which actually makes no sense for <code>&lt;div&gt;</code>
      elements, but you can also use <code>&lt;button&gt;</code> elements or
      whatever  you want) as well as the additional class <code>jcarousel-prev-disabled</code>
      (or <code>jcarousel-next-disabled</code>).</li>
    <li>All <code>&lt;li&gt;</code> elements of the list have the class <code></code><code>jcarousel-item-<em>n</em></code>
      assigned where <code><em>n</em></code> represents the position in the list.</li>
    <li>Not shown here is, that all classes are followed by additional classes with a suffix
      dependent on the orientation of the carousel, ie. <code>&lt;ul class=&quot;jcarousel-list
      jcarousel-list-horizontal&quot;&gt;</code> for a horizontal carousel.</li>
  </ul>

  <a name="Dynamic-Content-Loading"></a>
  <h3>Dynamic content loading</h3>
  <p>By passing the callback function <code>itemLoadCallback</code> as configuration
    option, you are able to dynamically create <code>&lt;li&gt;</code> items for the content.</p>
  <pre>
&lt;script type=&quot;text/javascript&quot;&gt;
jQuery(document).ready(function() {
    jQuery('#mycarousel').jcarousel({
        itemLoadCallback: itemLoadCallbackFunction
    });
});
&lt;/script&gt;</pre>
  <p><code>itemLoadCallbackFunction</code> is a JavaScript function that is called
    when the carousel requests a set of items to be loaded. Two parameters are
    passed: The instance of the requesting carousel and a flag which indicates
    the current state of the carousel ('init', 'prev' or 'next').</p>
    <pre>
&lt;script type=&quot;text/javascript&quot;&gt;
function itemLoadCallbackFunction(carousel, state)
{
    for (var i = carousel.first; i &lt;= carousel.last; i++) {
        // Check if the item already exists
        if (!carousel.has(i)) {
            // Add the item
            carousel.add(i, &quot;I'm item #&quot; + i);
        }
    }
};
&lt;/script&gt;</pre>
    <p>jCarousel contains a convenience method <code>add()</code> that can be
      passed the index of the item to create and the innerHTML string of the
      item to be
    created. If the item already exists, it just updates the innerHTML. You can
      access the index of the first and last visible element by the public variables <code>carousel.first</code> and <code>carousel.last</code>.
  </p>
    <a name="Configuration"></a>
        <h3>Configuration</h3>
  <p> jCarousel accepts a list of options to control the appearance and behaviour
    of the carousel. Here is the list of options you may set: </p>
  <table>
    <thead>
      <tr>
        <th>Property</th>
        <th>Type</th>
        <th>Default</th>
        <th>Description</th>
      </tr>
      <tr>
        <td>vertical</td>
        <td>bool</td>
        <td>false</td>
        <td>Specifies wether the carousel appears in horizontal or vertical orientation.
          Changes the carousel from a left/right style to a up/down style carousel.</td>
      </tr>
      <tr>
        <td>start</td>
        <td>integer</td>
        <td>1</td>
        <td>The index of the item to start with.</td>
      </tr>
      <tr>
        <td>offset</td>
        <td>integer</td>
        <td>1</td>
        <td>The index of the first available item at initialisation.</td>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>size</td>
        <td>integer</td>
        <td><em>Number of existing &lt;li&gt; elements if size is not passed explicitly</em></td>
        <td>The number of total items.</td>
      </tr>
      <tr>
        <td>scroll</td>
        <td>integer</td>
        <td>3</td>
        <td>The number of items to scroll by.</td>
      </tr>
      <tr>
        <td>visible</td>
        <td>integer</td>
        <td>null</td>
        <td>If passed, the width/height of the items will be calculated and set
          depending on the width/height of the clipping, so that exactly that
          number of items will be visible.</td>
      </tr>
      <tr>
        <td>animation</td>
        <td>mixed</td>
        <td>&quot;fast&quot;</td>
        <td>The speed of the scroll animation as string in jQuery terms (<code>&quot;slow&quot;</code>
          or <code>&quot;fast&quot;</code>) or milliseconds as integer
           (See <a href="http://docs.jquery.com/effects/animate">jQuery Documentation</a>).
            If set to 0, animation is turned off.</td>
      </tr>
      <tr>
        <td>easing</td>
        <td>string</td>
        <td>null</td>
        <td>The name of the easing effect that you want to use (See <a href="http://docs.jquery.com/effects/animate">jQuery
          Documentation</a>).</td>
      </tr>
      <tr>
        <td>auto</td>
        <td>integer</td>
        <td>0</td>
        <td>Specifies how many seconds to periodically autoscroll the content.
          If set to <code>0</code> (default) then autoscrolling is turned off.
        </td>
      </tr>
      <tr>
        <td>wrap</td>
        <td>string</td>
        <td>null</td>
        <td>Specifies whether to wrap at the first/last item (or both) and jump
          back to the start/end. Options are <code>&quot;first&quot;</code>, <code>&quot;last&quot;</code>
          or <code>&quot;both&quot;</code> as string. If set to <code>null</code>,
          wrapping is turned off (default). You can also pass <code>&quot;circular&quot;</code>
          as option to enable support for circular carousels. See the example
          <a href="examples/special_circular.html">Circular carousel</a> on how
          to implement it.</td>
      </tr>
      <tr>
        <td>initCallback</td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called right after initialisation of the
          carousel. Two parameters are passed: The instance of the requesting
          carousel and the state of the carousel initialisation (init, reset or
          reload)</td>
      </tr>
      <tr>
        <td>itemLoadCallback</td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called when the carousel requests a set
          of items to be loaded. Two parameters are passed: The instance of the
          requesting carousel and the state of the carousel action (prev, next
          or init). Alternatively, you can pass a hash of one or two functions
          which are triggered before and/or after animation:
          <pre>
itemLoadCallback: {
  onBeforeAnimation: callback1,
  onAfterAnimation: callback2
}</pre> </td>
      </tr>
      <tr>
        <td>itemFirstInCallback </td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called (after the scroll animation) when
          an item becomes the first one in the visible range of the carousel.
          Four parameters are passed: The instance of the requesting carousel
          and the <code>&lt;li&gt;</code> object itself, the index which indicates
          the position of the item in the list and the state of the carousel action
          (prev, next or init). Alternatively, you can pass a hash of one or two
          functions which are triggered before and/or after animation:
          <pre>
itemFirstInCallback: {
  onBeforeAnimation: callback1,
  onAfterAnimation: callback2
}</pre> </td>
      </tr>
      <tr>
        <td>itemFirstOutCallback</td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called (after the scroll animation) when
          an item isn't longer the first one in the visible range of the carousel.
          Four parameters are passed: The instance of the requesting carousel
          and the <code>&lt;li&gt;</code> object itself, the index which indicates
          the position of the item in the list and the state of the carousel action
          (prev, next or init). Alternatively, you can pass a hash of one or two
          functions which are triggered before and/or after animation:
          <pre>
itemFirstOutCallback: {
  onBeforeAnimation: callback1,
  onAfterAnimation: callback2
}</pre> </td>
      </tr>
      <tr>
        <td>itemLastInCallback</td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called (after the scroll animation) when
          an item becomes the last one in the visible range of the carousel. Four
          parameters are passed: The instance of the requesting carousel and the
          <code>&lt;li&gt;</code> object itself, the index which indicates the
          position of the item in the list and the state of the carousel action
          (prev, next or init). Alternatively, you can pass a hash of one or two
          functions which are triggered before and/or after animation:
          <pre>
itemLastInCallback: {
  onBeforeAnimation: callback1,
  onAfterAnimation: callback2
}</pre> </td>
      </tr>
      <tr>
        <td>itemLastOutCallback</td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called when an item isn't longer the last
          one in the visible range of the carousel. Four parameters are passed:
          The instance of the requesting carousel and the <code>&lt;li&gt;</code>
          object itself, the index which indicates the position of the item in
          the list and the state of the carousel action (prev, next or init).
          Alternatively, you can pass a hash of one or two functions which are
          triggered before and/or after animation:
          <pre>
itemLastOutCallback: {
  onBeforeAnimation: callback1,
  onAfterAnimation: callback2
}</pre> </td>
      </tr>
      <tr>
        <td>itemVisibleInCallback</td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called (after the scroll animation) when
          an item is in the visible range of the carousel. Four parameters are
          passed: The instance of the requesting carousel and the <code>&lt;li&gt;</code>
          object itself, the index which indicates the position of the item in
          the list and the state of the carousel action (prev, next or init).
          Alternatively, you can pass a hash of one or two functions which are
          triggered before and/or after animation:
          <pre>
itemVisibleInCallback: {
  onBeforeAnimation: callback1,
  onAfterAnimation: callback2
}</pre> </td>
      </tr>
      <tr>
        <td>itemVisibleOutCallback</td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called (after the scroll animation) when
          an item isn't longer in the visible range of the carousel. Four parameters
          are passed: The instance of the requesting carousel and the <code>&lt;li&gt;</code>
          object itself, the index which indicates the position of the item in
          the list and the state of the carousel action (prev, next or init).
          Alternatively, you can pass a hash of one or two functions which are
          triggered before and/or after animation:
          <pre>
itemVisibleOutCallback: {
  onBeforeAnimation: callback1,
  onAfterAnimation: callback2
}</pre> </td>
      </tr>
      <tr>
        <td>buttonNextCallback</td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called when the state of the 'next' control
          is changing. The responsibility of this method is to enable or disable
          the 'next' control. Three parameters are passed: The instance of the
          requesting carousel, the control element and a flag indicating whether
          the button should be enabled or disabled.</td>
      </tr>
      <tr>
        <td>buttonPrevCallback</td>
        <td>function</td>
        <td>null</td>
        <td>JavaScript function that is called when the state of the 'previous'
          control is changing. The responsibility of this method is to enable
          or disable the 'previous' control. Three parameters are passed: The
          instance of the requesting carousel, the control element and a flag
          indicating whether the button should be enabled or disabled.</td>
      </tr>
      <tr>
        <td>buttonNextHTML</td>
        <td>string</td>
        <td><code>&lt;div&gt;&lt;/div&gt;</code></td>
        <td>The HTML markup for the auto-generated next button. If set to <code>null</code>,
          no next-button is created.</td>
      </tr>
      <tr>
        <td>buttonPrevHTML</td>
        <td>string</td>
        <td><code>&lt;div&gt;&lt;/div&gt;</code></td>
        <td>The HTML markup for the auto-generated prev button. If set to <code>null</code>,
          no prev-button is created.</td>
      </tr>
      <tr>
        <td>buttonNextEvent</td>
        <td>string</td>
        <td>&quot;click&quot;</td>
        <td>Specifies the event which triggers the next scroll.</td>
      </tr>
      <tr>
        <td>buttonPrevEvent</td>
        <td>string</td>
        <td>&quot;click&quot;</td>
        <td>Specifies the event which triggers the prev scroll.</td>
      </tr>
    </tbody>
  </table>

  <a name="Compatibility"></a>
  <h3>Compatibility</h3>
    <p>jCarousel has been tested and works on the following browsers:</p>
    <ul>
    <li>Internet Explorer 6 (PC)</li>
    <li>Internet Explorer 7 (PC)</li>
    <li>FireFox 1.5.0.6 (PC/Mac/Linux)</li>
    <li>Opera 9.01 (PC/Mac)</li>
    <li>Safari 2.0.4 (Mac)</li>
    <li>Safari 3.1.0 (PC)</li>
    <li>Konqueror 3.4.0 (Linux)</li>
  </ul>

  <a name="Credits"></a>
  <h3>Credits</h3>
  <p>Thanks to <a href="http://ejohn.org">John Resig</a> for his fantastic <a href="http://jquery.com">jQuery</a>
    library. <br>
    jCarousel is inspired by the <a href="http://billwscott.com/carousel/">Carousel
    Component</a> written by <a href="http://looksgoodworkswell.com">Bill Scott</a>.</p>
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